Multi-dimensional liquid chromatograph

By clamping the assembly and adjusting the assembly design, the problem of solvent bottle shaking in the multidimensional liquid chromatograph is solved, which improves stability and life and reduces detection costs.

CN223166686UActive Publication Date: 2025-07-29SHANGHAI ADICON CLINICAL LAB LNC
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Patent Information

Application Number
CN202422029600.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-07-29
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

When used in existing multidimensional liquid chromatographs, the storage frame of the solvent bottle lacks a limiting device, resulting in severe shaking, increasing inspection costs and damage risks.

Method used

The clamping assembly and clamping ring design are adopted to limit the shaking of the solvent bottle by the elastic force of the spring and rubber pad; combined with the adjustment assembly, hydraulic rod and adsorption assembly, the stability of the chromatograph body is improved and the shaking and impact is prevented.

Benefits of technology

It effectively prevents the solvent bottle from shaking and pouring, improves the service life of the solvent bottle and the accuracy of the detection, extends the service life of the chromatograph, and reduces the detection cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chromatographic instruments, and discloses a multi-dimensional liquid chromatograph which comprises a dustproof box, two sliding rails are arranged on the inner bottom wall of the dustproof box, pulleys are connected in the sliding rails in a sliding manner, the top surfaces of the pulleys are fixedly connected with a multi-dimensional liquid chromatograph main body, and the multi-dimensional liquid chromatograph main body is fixedly connected with the inner bottom wall of the dustproof box. The top surface of the multi-dimensional liquid chromatograph main body is fixedly connected with a storage rack. According to the multi-dimensional liquid chromatograph, through the arrangement of the clamping assembly and the clamping ring, when the multi-dimensional liquid chromatograph is used, a solvent bottle is inserted into a placement groove, a spring, a rubber pad A and a rubber pad B are extruded outwards under extrusion force, and after the solvent bottle is placed, the spring, the rubber pad A and the rubber pad B have elasticity to push the clamping ring to abut against the outer wall of the solvent bottle, so that the effect of limiting the solvent bottle from shaking back and forth is achieved; the solvent bottle is prevented from shaking and toppling over in the transportation process or when an operator moves the solvent bottle, the service life of the solvent bottle is prolonged, and the detection cost is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of chromatographs, in particular to a multidimensional liquid chromatograph. Background Art

[0002] Multidimensional liquid chromatography is an analytical instrument used in the fields of biology, agronomy, pharmacy, traditional Chinese medicine and traditional Chinese medicine. It uses the difference in the distribution ratio of the mixture between liquid and solid or between two immiscible liquids to first separate the mixture. Medical testing is to conduct microbiological, immunological, biochemical, genetic, hematological, biophysical, cytological and other tests on materials taken from the human body, thereby providing information for the prevention, diagnosis, treatment of human diseases and the assessment of human health. Multidimensional liquid chromatography is used in hospitals or professional testing institutions when it is necessary to analyze various metabolites and biomarkers in samples such as blood, urine, and cerebrospinal fluid to assist in the diagnosis and treatment monitoring of diseases and provide doctors with important clinical information.

[0003] When the existing multidimensional liquid chromatograph is actually used, it will shake left and right due to external impact, which makes it difficult to maintain the normal use of the internal components of the multidimensional liquid chromatograph and to extend the service life of the multidimensional liquid chromatograph.

[0004] After searching the existing patents: a liquid chromatograph (Announcement No.: CN217978148U), the utility model has a reasonable structural design, which is convenient for synchronously lifting and lowering the four moving wheels, facilitates operation, and facilitates the switching of the liquid chromatograph between movement and fixation, ensuring stability during operation. Through the cooperation of the upper damper, shock-absorbing spring and lower damper in the shock-absorbing assembly, the vibration during movement and operation can be effectively buffered and shock-absorbing, thereby providing shock-absorbing protection for the liquid chromatograph to avoid damage to the internal components of the liquid chromatograph due to excessive vibration.

[0005] Although the above patent has achieved the goal of reducing the vibration of the multi-dimensional liquid chromatograph, the storage frame for the solvent bottles has no limiting device, so they shake left and right inside and may fall, which is not conducive to reducing the inspection cost.

[0006] Therefore, it is necessary to invent a multidimensional liquid chromatograph to solve the above problems. Utility Model Content

[0007] (1) Technical problems solved

[0008] The technical problem solved by the utility model is to provide a multidimensional liquid chromatograph that is highly practical, can be operated simply, and has a relatively simple structure. It solves the problem in the above-mentioned background technology that the storage frame for the solvent bottle has no limiting device, shakes left and right inside, and is likely to fall, which is not convenient for reducing the inspection cost.

[0009] (2) Technical solution

[0010] To achieve the above objectives, the present utility model is realized through the following technical solutions: A multi-dimensional liquid chromatograph, including a dust-proof box, wherein two sliding rails are provided on the inner bottom wall of the dust-proof box, a pulley is slidably connected inside the sliding rail, the top surface of the pulley is fixedly connected with a multi-dimensional liquid chromatograph main body, a storage rack is fixedly connected to the top surface of the multi-dimensional liquid chromatograph main body, several placement grooves are provided on the surface of the storage rack, clamping components are fixedly connected to both sides of the placement groove, a clamping ring is fixedly connected to one end of the clamping component, adjustment components are fixedly connected to both sides of the multi-dimensional liquid chromatograph main body, a hydraulic rod is fixedly connected to the surface of the adjustment component, an adsorption component is fixedly connected to the bottom end of the hydraulic rod, a sliding groove is provided on one side of the dust-proof box, a dust-proof cover is slidably connected inside the sliding groove, a magnetic attraction component is fixedly connected to one side of the dust-proof cover, and a support component is fixedly connected to the bottom surface of the dust-proof box.

[0011] As a further solution of the present utility model, the clamping component includes a spring and a rubber pad A that are both fixedly connected to both sides of the placement groove, a clamping block is fixedly connected to one end of the rubber pad A, and a rubber pad B is fixedly connected to one end of the clamping block. The rubber pad B is convenient for providing elasticity.

[0012] As a further solution of the present utility model, the adjustment component includes adjustment frames that are both fixedly connected to both sides of the multi-dimensional liquid chromatograph main body, and an adjustment column is rotatably connected inside the adjustment frame. The adjustment column is convenient for the hydraulic rod to adjust the direction.

[0013] As a further solution of the present utility model, the adsorption component includes a fixed column fixedly connected to the bottom end of the hydraulic rod, and a suction cup is rotatably connected to the surface of the fixed column. The suction cup is convenient for adsorbing on a fixed surface.

[0014] As a further solution of the present utility model, the magnetic attraction component includes an anode plate fixedly connected to one side of the dust-proof cover, and a cathode plate is magnetically connected to one side of the anode plate. The cathode plate is fixedly connected to the inner side wall of the dust-proof box. The cathode plate is convenient for providing a magnetic field and generating magnetic force.

[0015] As a further solution of the present utility model, sliding columns are fixedly connected to the edges of both sides of the multi-dimensional liquid chromatograph main body, sliding grooves are provided on both sides of the inner wall of the dust-proof box, and the sliding columns are adapted to the sliding grooves. The sliding columns are convenient for limiting the multi-dimensional liquid chromatograph main body.

[0016] As a further solution of the present utility model, a handle is fixedly connected to the other side of the dust-proof cover, and a transparent plastic window is provided on the surface of the dust-proof cover. The handle is convenient for pulling and pushing the dust-proof cover.

[0017] As a further solution of the present invention, the bottom surface of the multidimensional liquid chromatograph body is hinged to a support frame, and the bottom surface of the support frame is fixedly connected to an anti-slip pad, which is convenient for providing friction.

[0018] As a further solution of the present invention, a protective pad is fixedly connected to the inner wall of the clamping ring. The material of the protective pad is silicone, and the protective pad is convenient for protecting the solution bottle.

[0019] (III) Beneficial effects

[0020] The utility model provides a multidimensional liquid chromatograph, which has the following beneficial effects:

[0021] 1. The multidimensional liquid chromatograph is provided with a clamping assembly and a clamping ring. When in use, the solvent bottle is inserted into the placement slot, and the spring, rubber pad A and rubber pad B are squeezed outward by the extrusion force. After insertion, the spring, rubber pad A and rubber pad B have elastic force, pushing the clamping ring against the outer wall of the solvent bottle, thereby achieving the effect of limiting the shaking of the solvent bottle back and forth, avoiding the solvent bottle from shaking and tipping over during transportation or when the operator moves the solvent bottle, thereby increasing the service life of the solvent bottle and saving detection costs.

[0022] 2. The multidimensional liquid chromatograph, through the arrangement of the adjustment components, the hydraulic rod and the adsorption components, when in use, slides the main body of the multidimensional liquid chromatograph out of the dustproof box, adjusts the angle of the hydraulic rod inside the adjustment frame according to the placement position, and then extends or shortens the hydraulic rod according to the height, and presses the suction cup hard on the fixed place to expel the air, and the suction cup firmly adsorbs the fixed place, thereby improving the stability of the main body of the multidimensional liquid chromatograph, avoiding the main body of the multidimensional liquid chromatograph from shaking left and right during operation or external force impact, improving the accuracy of the test, and extending the life of the main body of the multidimensional liquid chromatograph. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the magnetic attraction component of the utility model;

[0025] Figure 3 This is a schematic diagram of the overall split structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0027] Figure 5 This is a schematic diagram of the support assembly structure of the utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the dustproof box of the utility model.

[0029] In the figure: 1. Dustproof box; 2. Pulley; 3. Multidimensional liquid chromatograph body; 4. Storage rack; 5. Clamping assembly; 501. Spring; 502. Rubber pad A; 503. Clamping block; 504. Rubber pad B; 6. Clamping ring; 7. Adjustment assembly; 701. Adjustment rack; 702. Adjustment column; 8. Hydraulic rod; 9. Adsorption assembly; 901. Fixed column; 902. Suction cup; 10. Dustproof cover; 11. Magnetic assembly; 1101. Anode plate; 1102. Cathode plate; 12. Support assembly; 1201. Support column; 1202. Fixed block; 1203. Universal wheel; 1204. Support plate; 1205. Pull rod; 13. Sliding column; 14. Support rack. DETAILED DESCRIPTION

[0030] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 6The utility model provides a technical solution: a multidimensional liquid chromatograph, comprising a dustproof box 1, the inner bottom wall of the dustproof box 1 is provided with two slide rails, the inner side of the slide rails is slidably connected to a pulley 2, the top surface of the pulley 2 is fixedly connected to a multidimensional liquid chromatograph body 3, the top surface of the multidimensional liquid chromatograph body 3 is fixedly connected to a rack 4, the surface of the rack 4 is provided with a plurality of placement grooves, both sides of the placement grooves are fixedly connected to a clamping assembly 5, one end of the clamping assembly 5 is fixedly connected to a clamping ring 6, through the clamping assembly 5 and the clamping ring The setting of the holding ring 6 is that when the solvent bottle is inserted into the placement groove, the spring 501, rubber pad A502 and rubber pad B504 are squeezed outward by the extrusion force. After being placed in, the spring 501, rubber pad A502 and rubber pad B504 have elastic force, pushing the clamping ring 6 against the outer wall of the solvent bottle, thereby achieving the effect of limiting the shaking of the solvent bottle back and forth, avoiding the solvent bottle from shaking and tipping over during transportation or when the operator moves the solvent bottle, thereby increasing the service life of the solvent bottle and saving detection costs. Both sides of the multidimensional liquid chromatograph body 3 are fixedly connected with an adjustment component 7, the surface of the adjustment component 7 is fixedly connected with a hydraulic rod 8, and the bottom end of the hydraulic rod 8 is fixedly connected with an adsorption component 9. Through the arrangement of the adjustment component 7, the hydraulic rod 8 and the adsorption component 9, when in use, the multidimensional liquid chromatograph body 3 is slid out of the dustproof box 1, and the angle of the hydraulic rod 8 inside the adjustment frame 701 is adjusted according to the placement position, and then the hydraulic rod 8 is extended or shortened according to the height. The suction cup 902 is pressed hard on the fixed place to expel the air, and the suction cup 902 is firmly adsorbed on the fixed place, thereby improving the stability of the multidimensional liquid chromatograph body 3 and avoiding the multidimensional liquid chromatograph body 3 from shaking left and right during operation or external force impact, thereby improving the accuracy of the inspection and the life of the multidimensional liquid chromatograph body 3. A sliding groove is provided on one side of the dustproof box 1, and a dust cover 10 is slidably connected to the inside of the sliding groove. A magnetic attraction component 11 is fixedly connected to one side of the dust cover 10, and a support component 12 is fixedly connected to the bottom surface of the dustproof box 1.

[0032] See also Figure 4 The clamping assembly 5 includes a spring 501 and a rubber pad A502 fixedly connected to both sides of the placement groove. One end of the rubber pad A502 is fixedly connected to a clamping block 503, and one end of the clamping block 503 is fixedly connected to a rubber pad B504. Through the setting of the clamping assembly 5, a limiting function is achieved.

[0033] See also Figure 4 The adjustment component 7 includes an adjustment frame 701 fixedly connected to both sides of the multidimensional liquid chromatograph body 3. The internal rotation of the adjustment frame 701 is connected to the adjustment column 702. Through the setting of the adjustment component 7, the angle of the hydraulic rod 8 is adjusted.

[0034] See also Figure 4The adsorption component 9 includes a fixed column 901 fixedly connected to the bottom end of the hydraulic rod 8. The surface of the fixed column 901 is rotatably connected to a suction cup 902, which plays a fixing role through the setting of the adsorption component 9.

[0035] See also Figure 2 The magnetic component 11 includes an anode piece 1101 fixedly connected to one side of the dust cover 10, and a cathode piece 1102 is magnetically connected to one side of the anode piece 1101. The cathode piece 1102 is fixedly connected to the inner wall of the dust box 1. Through the setting of the magnetic component 11, the dust cover 10 is fixed.

[0036] See also Figure 3 The edges on both sides of the multidimensional liquid chromatograph body 3 are fixedly connected with sliding columns 13, and sliding grooves are opened on both sides of the inner wall of the dustproof box 1. The sliding columns 13 are adapted to the sliding grooves. Through the setting of the sliding columns 13, the multidimensional liquid chromatograph body 3 is restricted from running out of the dustproof box 1.

[0037] See also Figure 2 The other side of the dust cover 10 is fixedly connected with a handle, and the surface of the dust cover 10 is provided with a transparent plastic window. The setting of the dust cover 10 plays a dust-proof role.

[0038] See also Figure 3 The bottom surface of the multi-dimensional liquid chromatograph body 3 is hinged to a support frame 14, and the bottom surface of the support frame 14 is fixedly connected with an anti-slip pad. The setting of the support frame 14 can avoid height inconsistency.

[0039] See also Figure 4 The inner wall of the clamping ring 6 is fixedly connected with a protective pad, which is made of silicone. The setting of the clamping ring 6 plays the role of clamping the solvent bottle.

[0040] Embodiment 1:

[0041] See also Figure 3 The support assembly 12 includes a support column 1201 fixedly connected to the bottom surface of the dustproof box 1, and the bottom end of the support column 1201 is fixedly connected to a fixed block 1202, which plays a supporting role through the setting of the support assembly 12.

[0042] Embodiment 2:

[0043] See also Figure 5 The support assembly 12 includes a support column 1201 fixedly connected to the bottom surface of the dustproof box 1. The bottom end of the support column 1201 is fixedly connected to a universal wheel 1203. A brake pad is fixedly installed inside the universal wheel 1203. The setting of the universal wheel 1203 facilitates movement.

[0044] Embodiment three:

[0045] See also Figure 6 The support assembly 12 includes a support plate 1204 fixedly connected to the bottom surface of the dustproof box 1, a pull rod 1205 fixedly connected to the edge of the surface of the support plate 1204, a support column 1201 fixedly connected to the bottom surface of the support plate 1204, and a universal wheel 1203 fixedly connected to the bottom end of the support column 1201. A brake pad is fixedly installed inside the universal wheel 1203. The setting of the pull rod 1205 makes it easy to carry.

[0046] In the present invention, the working steps of the device are as follows:

[0047] Step 1: When using, insert the solvent bottle into the placement slot. The spring 501, rubber pad A502 and rubber pad B504 are squeezed outward by the extrusion force. After being inserted, the spring 501, rubber pad A502 and rubber pad B504 have elastic force, pushing the clamping ring 6 against the outer wall of the solvent bottle;

[0048] Step 2: When in use, slide the multidimensional liquid chromatograph body 3 out of the dustproof box 1, adjust the angle of the hydraulic rod 8 inside the adjustment frame 701 according to the placement position, and then extend or shorten the hydraulic rod 8 according to the height. Press the suction cup 902 hard on the fixed place to expel the air, and the suction cup 902 firmly adsorbs the fixed place.

[0049] It should be noted that the device structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system, and control system are not fully described. However, those skilled in the art can clearly understand the details of its power mechanism, power supply system, and control system on the premise that they understand the principle of the above-mentioned utility model. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be implemented by simple programming by those skilled in the art.

[0050] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0051] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-dimensional liquid chromatograph, comprising a dust-proof box (1), characterized in that: The inner bottom wall of the dust-proof box (1) is provided with two sliding rails, and a pulley (2) is slidably connected inside the sliding rails. The top surface of the pulley (2) is fixedly connected to a multi-dimensional liquid chromatography instrument main body (3). The top surface of the multi-dimensional liquid chromatography instrument main body (3) is fixedly connected to a storage rack (4). A plurality of placement grooves are formed on the surface of the storage rack (4). Clamping components (5) are fixedly connected to both sides of each placement groove. One end of the clamping component (5) is fixedly connected to a clamping ring (6). Adjusting components (7) are fixedly connected to both sides of the multi-dimensional liquid chromatography instrument main body (3). A hydraulic rod (8) is fixedly connected to the surface of the adjusting component (7). The bottom end of the hydraulic rod (8) is fixedly connected to an adsorption component (9). A sliding groove is formed on one side of the dust-proof box (1), and a dust-proof cover (10) is slidably connected inside the sliding groove. A magnetic attraction component (11) is fixedly connected to one side of the dust-proof cover (10). A support component (12) is fixedly connected to the bottom surface of the dust-proof box (1).

2. The multi-dimensional liquid chromatograph according to claim 1, characterized in that: The clamping component (5) includes a spring (501) and a rubber pad A (502) both fixedly connected to both sides of the placement groove. One end of the rubber pad A (502) is fixedly connected to a clamping block (503). One end of the clamping block (503) is fixedly connected to a rubber pad B (504).

3. The multi-dimensional liquid chromatograph according to claim 1, wherein: The adjusting component (7) includes adjusting frames (701) both fixedly connected to both sides of the multi-dimensional liquid chromatography instrument main body (3). An adjusting column (702) is rotatably connected inside the adjusting frame (701).

4. A multi-dimensional liquid chromatograph according to claim 1, characterized in that: The adsorption component (9) includes a fixed column (901) fixedly connected to the bottom end of the hydraulic rod (8). A suction cup (902) is rotatably connected to the surface of the fixed column (901).

5. A multi-dimensional liquid chromatograph according to claim 1, characterized in that: The magnetic attraction component (11) includes an anode plate (1101) fixedly connected to one side of the dust-proof cover (10). A cathode plate (1102) is magnetically connected to one side of the anode plate (1101). The cathode plate (1102) is fixedly connected to the inner side wall of the dust-proof box (1).

6. The multi-dimensional liquid chromatograph according to claim 1, characterized in that: Sliding columns (13) are fixedly connected to the edges on both sides of the multi-dimensional liquid chromatography instrument main body (3). Sliding grooves are formed on both sides of the inner wall of the dust-proof box (1). The sliding columns (13) are adapted to the sliding grooves.

7. A multi-dimensional liquid chromatograph according to claim 1, wherein: A handle is fixedly connected to the other side of the dust-proof cover (10). A transparent plastic window is arranged on the surface of the dust-proof cover (10).

8. A multi-dimensional liquid chromatograph according to claim 1, characterized in that: The bottom surface of the multi-dimensional liquid chromatography instrument main body (3) is hinged to a support frame (14) through a hinge. An anti-slip pad is fixedly connected to the bottom surface of the support frame (14).

9. A multi-dimensional liquid chromatograph according to claim 1, characterized in that: A protective pad is fixedly connected to the inner wall of the clamping ring (6). The material of the protective pad is silicone.

Citation Information

Patent Citations

  • Liquid chromatograph

    CN217978148U